Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
thi chieu » thi chien, thi hieu, theo chieu
chua nang » chuc nang, kha nang, cuu nang
chua xang » chuc nang, chu bang, chua dong
nong manh » nong lanh, duong manh, hoang manh
manh toan » thanh toan, anh tuan, tinh toan
theo chu » theo chieu, cho chu, chao chu
toan cao » toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi chieu) or (theo chu)) xanh - hanh trinh ((chua nang) OR (chua xang)) nong manh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (theo chu)) xanh - hanh trinh ((chua nang) OR (chua xang)) nong manh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thi chieu) or (theo chu)) xanh - hanh trinh ((chua nang) OR (chua xang)) nong manh toan cao".
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (theo chu)) xanh - hanh trinh ((chua nang) OR (chua xang)) nong manh toan cao*.